Everyone griping about red tape don't understand that the red tape is the point. If your expense is important enough to go through the paperwork then it can be addressed and petty cash increased. Otherwise, what do you think is better in the long term for effectiveness. Cutting the limit on thousands or hundreds of thousands spending accounts and going through the exceptions or letting them spend without oversight forever while you try to comb the queue looking for fraud, trying to get people to answer the phone and playing email tag?